Lay your long shadows on the sundials

Results 1. Cerbral superficial veins congested, widening of the cor-tical sulci, narrowed gyri and and mild cerebellar tonsillar hernia were present.

结果①3例脑表静脉充盈，脑回变宽，脑沟变窄和轻度杭大孔疝；

A purulent exudate is seen beneath the meninges in the brain of this patient with acute meningitis from Streptococcus pneumoniae infection. The exudate obscures the sulci.

急性链球菌感染所致化脓性脑膜炎患者脑膜下可见化脓性渗出物。渗出物使脑沟变浅。

Results At the early stage of the disease, diffuse encephalic swelling, compressed or occluded ventricles, sulci and cisterna were seen on MRI in all 36 cases.

结果36例DAI早期MRI均表现为弥漫性脑肿胀，脑室及脑沟、裂、池受压变小或闭塞；

Conclusion Usually, the bilateral central sulci are symmetrical. Based on the above signs, correct identification of the central sulcus can be obtained in up to 98.5% of cases.

结论在正常情况下两侧的中央沟是对称的，在MRI轴位图像上应用上述征象对中央沟的正确识别率可达98.5%，并可由此引伸到CT轴位图像的识别。

Methods: Eighty-six cases traumatic subarachnoid hemorrhage, each case rechecked above 1 time at least, their cortical sulci and cistern abnormal changes were observed in details.

方法：86例外伤性蛛网膜下腔出血，每例最少复查1次以上，详细观察脑沟、脑池异常变化情况。

The Pathologic Bases and Clinical Significances of the Areae and Sulci Gastricae& Studied by comparing with X-ray, optical dissecting microscope and histopathology

胃小区、胃小沟形态改变的病理学基础及临床意义&X线、解剖镜及病理组织学对照研究

Methods: CT images of 50 cases of healthy old man were sampled randomly and the functional areas of cerebral cortex were identified by superficial sulci and gyri of brain.

方法：随机抽取50例健康老年人的CT图像，以大脑表面沟回为标志辨认大脑皮质机能区。

Results: Various fissures, sulci and gyri of the fetal brain appeared sequentially according to the chronological stages and were demonstrated very well on MR imaging.

结果：MR成像能很好地显示某些脑裂、脑沟及脑回按时间依次出现的过程；

Of the 4 cases of positive findings, the tumor was located at the pelvic peritoneum or the paracolic sulci peritoneum.

4例二探术阳性的卵巢癌患者，手术发现肿瘤位于盆腔腹膜、结肠旁沟腹膜；

Objective To study the significant MRI expresses of central sulci of 100 healthy people in order to improve the understanding of central sulci and its adjacent structures through MRI imaging.

目的通过分析100例正常中央沟的磁共振影像表现，提高磁共振成像对中央沟、相邻解剖结构的认识。

Diffuse enhancement followed the convolutions of gyri and surface of brainstem, and extended into cerebral cisterns and sulci.

弥漫性强化沿脑和脑干表面分布，并延伸入脑沟、脑池；

Results The insula had triangle shape because of the pyramidal configuration and was surrounded by anterior, superior and inferior limiting sulci.

结果岛叶外形呈三角锥形，以前、上和下环岛沟为界。

The cerebral atrophy seen here mainly in the frontal and parietal regions is characterized by narrowed gyri and widened sulci.

图示脑萎缩主要发生在额叶和顶骨区域，表现为典型的脑回变窄和脑沟变宽。

The volume of olfactory bulbs, depth of olfactory sulci and diameters of pituitary gland and stalk were measured and compared.

测量嗅球体积、嗅沟深度及垂体、垂体柄径线，并进行比较。

Sulci and gyri of the left and right hemispheressymmetrical basic shape is the leaf and the brain to locate an important symbol.

脑沟与脑回的形态基本左右半球对称，是对脑进行分叶和定位的重要标志。

Conclusion MR imaging is the best method to show central sulci and its adjacent structures and has definite values in locating the lesions of central sulci.

结论磁共振成像技术是观察中央沟及相邻解剖结构最为有效的影像学方法，对于判断中央沟区病变的定位有重要的价值。

The indices of ventricles and cerebral sulci in 30 ischemic vascular dementia patients and 30 patients with ischemic stroke were calculated with CT based technique.

采用CT技术测定30例缺血性血管性痴呆和30例缺血性卒中对照患者脑室和脑沟线性指标。

Results: Superficial sulci and gyri of brain were showed clearly and identified easily on CT images of the aged.

结果：大脑表面沟回在健康老年人CT图像上显示清楚，易于辨认。

Results 5 normal cases with surface anatomy scanning showed excellent visualization of the sulci and gyri on the surface of the brain.

结果5例正常扫描均能清楚地显示中央沟、外侧裂等大脑半球的主要沟回。

To study the demonstration rate and applicability of the system for localizing central sulci and adjacent gyri clinically.

探讨定位中央沟和邻近脑回的各种MRI证象及其显示率和临床应用价值。